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This question is about homeostasis - AQA - GCSE Biology: Combined Science - Question 6 - 2019 - Paper 2
Question 6
This question is about homeostasis. 06.1 Define the term homeostasis. 06.2 Name the hormone released if the blood glucose concentration falls too low. Two people ... show full transcript
Worked Solution & Example Answer:This question is about homeostasis - AQA - GCSE Biology: Combined Science - Question 6 - 2019 - Paper 2
Step 1
Step 2
Step 3
Describe how Figure 4 shows that person B has diabetes.
Answer
Figure 4 demonstrates that person B has diabetes as their fasting blood glucose concentration was significantly higher than the normal range. After consuming the glucose drink, the blood glucose levels reached a peak above normal and did not return to normal levels within the 3-hour observation period, indicating poor regulation of blood glucose.
Step 4
Suggest which type of diabetes person A and person B have.
Answer
Person A
Type of diabetes: Type 2
Reason: Person A likely has Type 2 diabetes as their pancreas produces insulin but the body cells do not respond adequately to it.
Person B
Type of diabetes: Type 1
Reason: Person B likely has Type 1 diabetes due to insufficient insulin production, indicating a failure of the pancreas to produce the hormone.
Step 5
Explain why children who have eaten during the day are not affected by eating many lychee fruits.
Answer
Children who have eaten during the day are not affected by eating lychee fruits because their glycogen stores still contain glucose, which provides an energy source. In contrast, children who have not eaten have depleted glycogen stores and may experience hypoglycemia when they consume lychee fruits, as the enzyme that would normally release energy from glycogen is inhibited.